The New England Complex Systems Institute said the Arab Spring was rooted in foot prices and predicts that the circumstances for civil disturbance will be ripe again in August 2013.

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At home, in a year that marks the 50th anniversary of the independence of Algeria, as yet untouched by the Arab spring, there will be a complex sense of malaise in the heavily Muslim banlieues, or suburban council estates.

ECONOMIST: Europe: Le choix: Hollande or Sarkozy | The

But outside Iraq, reactions in the Arab world to the violence have always been complex.

BBC: NEWS | Middle East | Arab reaction to Hassan 'killing'

Race, religion, creed and sometimes even gender are supremely relevant if the Holy City, a complex web of separate Jewish and Arab districts, is ever to be divided peaceably into the capitals of two states, Israel and Palestine.

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What started as a small, boutique effort to find one Arab who saved one Jew mushroomed into the most complex mega-project of my life.

NPR: Historian Robert Satloff

Which are these obstacles and why do you consider their situation is more complex than the situation of young women in other Arab States?

UNESCO: Social and Human Sciences

Early in this introduction, I wrote that understanding the complex ethnic, religious, national, and racial makeup of Arab societies makes comprehensible much of the Middle East's seemingly impenetrable politics.

NPR: Historian Robert Satloff

Young female college graduates seem to face similar, however more complex situations in their search for employment than their counterparts in other Arab countries.

UNESCO: Social and Human Sciences